9C73 | pdb_00009c73

Hybrid G-quadruplex from Tetrahymena thermophila telomeric sequence in complex with TrisQO

PDB DOI: https://doi.org/10.2210/pdb9C73/pdb
NAKB: 9C73

Classification: DNA
Organism(s): Tetrahymena thermophila
Mutation(s): No

Deposited: 2024-06-10 Released: 2025-08-27
Deposition Author(s): Ali, A., Yatsunyk, L.A.
Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.66 Å
R-Value Free:
0.236 (Depositor), 0.239 (DCC)
R-Value Work:
0.214 (Depositor), 0.217 (DCC)
R-Value Observed:
0.215 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Hybrid G-quadruplex from Tetrahymena thermophila telomeric sequence in complex with triangular star shaped TrisQ ligand

Ali, A., Yatsunyk, L.A.

To be published.

Macromolecule Content

Total Structure Weight: 10.19 kDa
Atom Count: 719
Modeled Residue Count: 25
Deposited Residue Count: 25
Unique nucleic acid chains: 1

Macromolecules

Find similar nucleic acids by: Sequence | 3D Structure

Entity ID: 1
Molecule	Chains	Length	Organism	Image
G-quadruplex telomeric sequence	A	25	Tetrahymena thermophila
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 6 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
A1AVT (Subject of Investigation/LOI) Query on A1AVT Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	(5S)-6-oxo-6H-dipyrido[1,2-b:1',2'-j]quinolizino[3,2-f][2,8]phenanthroline-12,19-diium C₂₇ H₁₇ N₃ O XPULADKVNXYMFV-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
EPE Query on EPE Download Ideal Coordinates CCD File SDF format, chain I [auth A] MOL2 format, chain I [auth A] mmCIF format, chain I [auth A]	I [auth A]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C₈ H₁₈ N₂ O₄ S JKMHFZQWWAIEOD-UHFFFAOYSA-N		Interactions Focus chain I [auth A] Interactions & Density Focus chain I [auth A]
PG4 Query on PG4 Download Ideal Coordinates CCD File SDF format, chain O [auth A] SDF format, chain P [auth A] SDF format, chain Q [auth A] MOL2 format, chain O [auth A] MOL2 format, chain P [auth A] MOL2 format, chain Q [auth A] mmCIF format, chain O [auth A] mmCIF format, chain P [auth A] mmCIF format, chain Q [auth A]	O [auth A], P [auth A], Q [auth A]	TETRAETHYLENE GLYCOL C₈ H₁₈ O₅ UWHCKJMYHZGTIT-UHFFFAOYSA-N		Interactions Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A] Interactions & Density Focus chain O [auth A] Focus chain P [auth A] Focus chain Q [auth A]
PEG Query on PEG Download Ideal Coordinates CCD File SDF format, chain J [auth A] SDF format, chain K [auth A] SDF format, chain L [auth A] SDF format, chain M [auth A] SDF format, chain N [auth A] SDF format, chain R [auth A] SDF format, chain S [auth A] MOL2 format, chain J [auth A] MOL2 format, chain K [auth A] MOL2 format, chain L [auth A] MOL2 format, chain M [auth A] MOL2 format, chain N [auth A] MOL2 format, chain R [auth A] MOL2 format, chain S [auth A] mmCIF format, chain J [auth A] mmCIF format, chain K [auth A] mmCIF format, chain L [auth A] mmCIF format, chain M [auth A] mmCIF format, chain N [auth A] mmCIF format, chain R [auth A] mmCIF format, chain S [auth A]	J [auth A] K [auth A] L [auth A] M [auth A] N [auth A] J [auth A], K [auth A], L [auth A], M [auth A], N [auth A], R [auth A], S [auth A]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain R [auth A] Focus chain S [auth A] Interactions & Density Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Focus chain M [auth A] Focus chain N [auth A] Focus chain R [auth A] Focus chain S [auth A]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain H [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A]	F [auth A], G [auth A], H [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A]
K Query on K Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain D [auth A] SDF format, chain E [auth A] MOL2 format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] mmCIF format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A]	C [auth A], D [auth A], E [auth A]	POTASSIUM ION K NPYPAHLBTDXSSS-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A]